You can start by looking on fanfiction websites like Archive of Our Own (AO3). It has a large collection of various fanfictions, and you're likely to find some great 'rocket raccoon human fanfiction' there. Just use the search function and type in the relevant keywords.
In some fanfictions, Rocket might be involved in a love story with a human. For example, a human scientist who works on the same spaceship as Rocket. They start off as colleagues but gradually fall in love as they discover each other's unique qualities. It would be a story full of inter - species relationship exploration and emotional growth.
One common theme is his backstory. Writers often explore how he became the character we know, his time before joining the Guardians of the Galaxy. Another theme is his relationships, like his friendship with Groot or his interactions with the other Guardians.
In addition to Rocket and the raccoon, there might be other characters that show up in the fanfiction. For example, they could meet other members of their group or some new alien characters. These additional characters can add more depth to the story, whether they are friends who help them on their journey or enemies that they have to fight against. But at the heart of it, Rocket and the raccoon are the ones that drive the main action and the relationship at the center of the fanfiction.
One common theme is his vulnerability. Despite his tough exterior, Rocket can get hurt, and fanfiction often explores how this makes him more relatable. For example, stories might show his emotional struggle when he's physically injured and can't be as independent as he usually is.
One common theme is friendship. Female characters often form strong bonds with Rocket Raccoon, like going on intergalactic adventures together and having each other's backs. Another theme could be redemption, where a female character helps Rocket in his journey of self - discovery and dealing with his past.
One common theme is friendship. Since Rocket is part of the Guardians of the Galaxy, in crossovers, he often forms new friendships. For example, if he crosses over with the X - Men, he might become friends with Wolverine, and they could go on adventures together. Another theme is adventure. Rocket is always up for a wild ride, and in crossovers, he'll embark on new quests, whether it's in a different part of the Marvel universe or a completely new fictional world.
The origin of Rocket Raccoon is quite interesting. He was created on Halfworld, where he endured various experiments that gave him his unique abilities and personality. His background is filled with adventure and challenges.